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Forget Fiber Lines Glut, IP Services Are Growing

Updated May 31, 2005 12:01 a.m. ET

I read with interest the May 12 Marketplace article "Why the Glut in Fiber Lines Remains Huge." Although the story is compelling, the idea of a huge fiber glut is a somewhat simplistic and outdated view of supply-and-demand in the telecommunications industry.

It's true that billion-dollar networks were built in the late 1990s. Some were designed to provide capacity to carriers and Internet service providers. Others, like Global Crossing, were built to provide advanced Internet protocol, or IP, services to global...